At Castors2Go, our castor wheels are available in various material types. The first of these is rubber castor wheels, which have both grey and blue forms. Rubber castor wheels are quiet, non-marking and shock absorbing, making them perfect for use on timber, tiled, vinyl and concrete flooring. However, please note that they are not suitable for corrosive environments, unlike our ureth... https://castors2go.com.au/